Electromagnetism Quiz

Lilli G
Quiz by Lilli G, updated more than 1 year ago
Lilli G
Created by Lilli G over 3 years ago
31
1

Description

A quiz for KS3 students

Resource summary

Question 1

Question
What is magnetism?
Answer
  • Invisible lines of pressure
  • Invisible lines of force
  • Invisible lines of power

Question 2

Question
The magnetic materials are:
Answer
  • Steel
  • Iron
  • Copper
  • Silver
  • Nickel
  • Cobalt
  • Aluminium

Question 3

Question
You can increase the strength of an electromagnet by increasing the strength of the [blank_start]current[blank_end] and the [blank_start]number of windings[blank_end].
Answer
  • current
  • number of windings

Question 4

Question
What is voltage?
Answer
  • A measure of pressure
  • A measure of force
  • A measure of current
  • A measure of electrical energy

Question 5

Question
What is current?
Answer
  • The rate of flow of electrons
  • How many windings there are on the electromagnet
  • The strength of the commutator

Question 6

Question
What is Resistance?
Answer
  • Current multiplied by voltage
  • A measure of how much the flow is prevented
  • A measure of the time it takes for the electric motor to reach its full capacity

Question 7

Question
What is given off when current passes through a resistor?
Answer
  • Force
  • Steam
  • Smell
  • Heat
  • Vibration

Question 8

Question
A current passes through a resistor of 25 Ohm's with 100 volts. What is the strength of the current?
Answer
  • 2 amps
  • 3 amps
  • 4 amps
  • 5 amps
  • 6 amps
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